Electrolytic apparatus.



L. W. CHUBB.

ELECTROLYTIC APPARATUS.

APPLICATION FILED JAN. 10. 1911.

1,250,141. Patented Dec. 18; 1917.

FIE E,

WITNESSES: INVENTOR aka 4m Le w/s w cm.

A'iTORNEY *to provide electrolytic cells of the aboveindicated character which shall include set of plates similar to that shown in Fig. 1.

rigid and spaced relation to one' another by UN TED STATES PATENT oFFIoE.

LEwIs w. cmnan, or norzwoon rAaK, PENNSYLVANIA, ASSIGNQB. T WESTINGHOUSE ELECTRIC AND MANUFACTURING COMPANY, A coaronA'rIoN or PENNSYLVANIA.

E EcTEo Y'rIc ArrAaA'rUs. 1

a I 18, 1917. Application filcd January 1c, 1917. Scrial'No. 1414;17.

To all whom it may concem: rigidly fastened together by means of rods Be it known that I, LEWIS W.- CHUBB, a carrying sets of spacers of film-forming cltizen of the United States, and a resident *metal which extend freely and without conof Edgewood Park, in the county of Alletact through openings provided in the plates gheny and State of Pennsylvania, have inof opposite polarity; k

vented a new and useful Improvement in One embodiment of my invention is illus Electrolytic Apparatus, of which the follow-. trated in the accompanying drawing, in in is a specification. V which Figure 1 is 'a .planview of a cony invention relates to electrolytic apdenser plate constructed in accordance with resters and thelike, and it has for its object tially in elevation and partially in vertical section, showing a condenser comprising a means for supporting the active plates in .The plate '1 shown in Fig. 1' of the drawmeans of spacing members composed of is provided with' two small openings 2 and film-forming material. My invention also 3 atdiagonallyopposite corners and with comprises a special arrangement of the other openings 4 and 5- disposed near .the. a

plates composing the device whereby the longer edges of-the plate. The remaining with the plates composing the other set.

Electrolytic condensers, lightning arresters, rectifiers and similar electrolytic form are built up to form a condenser by 80 cells depend for theinproper operation upon reversing the position ofeach alternate plate plates composing each set of the same poentirely free from mechanical engagement are'formed in the longer edges of the plate opposite to the perforations 4 and 5.

A series of plates of the above-described I the maintenance of asymmetric conducting so" that the perforations 2, 3, 4 and 5 will 'of electrical contact.

of parallel plates composed of alumi films upon the surfaces of the active elec register with the corresponding andsymtrodes, such films' being-exceedingly thin ,metrically disposed larger openings .6, 7, 8'

and easily ruptured. When cells of large "and 9; -Rods 10, which may be composed of 85 alu'minumor of some other metal coated capacity are desired, it is necessary topro- I vide means for maintaining the plates the with aluminum or other film-forming metal proper "distances apart. Spacing members are passed through each of the eightset's of' for this purpose have heretofore usually registered openings 26, 95,48 and 7+3 consisted ofbodies ofinsulating material in the plates washers or bushings 11 of alu- 90 between which the plates are clamped, but minum or other film-forming metal being spacingdevices of thisfcharacter are found placed around the rods 10 to separate th to be unsatisfactory because slight relative platesof the same polarity. -The washers movements are almost certain to occur bea tween the spacers and the plates, such rub metal or ofsome other metal coated 'w1th 95 11 may be composed wholly of film-forming bing movements resulting in rupture of the suclr a metal. A structure of this kind is lfilm and consequent failure of the electrical, shown in Fig. 2, the large openings 6 and valve action of. the apparatus, either wholly 7, as shown therein, being large enou h to or in part. The discontinuity of the film at permit the washers 11. to extend eely the joints between the insulating spacers and through them without contact. Clamping I the plates also causes deterioration and it is nuts 12 are applied to the rods 10 toclamp of course impracticable to fasten adjacent the plates 1 in firm and rigid relation to [plates rigidly .together by riveting or the one another, and the whole structure is inclosed within a tank. 13, the upper ends of v the rods'lO extending through a cover 14 Accordingtomy present invention, I proand being fastened in place by means of .Vide an electrolytic cell consisting of'a series nuts lo which also serve totclamp a pair of num, plates Ito-the upper and lower sides of the magnesium or some other film-forming cover 14, ;thereby insuring ood electr cal inetal, the plates of the same polarity being contact between the plates 0 the condenser like since the plates must be maintained out paratus, such as condensers, lightning army invention, and Fig.2 is a side view, parmg is of generally rectangular .shape and corners of the plate are cut away, as shown larity are rigidly fastened together but are at 6 and 7, and two large notches 8 and 9 ltl the plates 1.

and the rods 10. Suitable terminals 16 may he attached to the upper ends of any one ,variously modified without exceeding the limits of my invention, and l therefore'desire that no l1m1tat1oi'1s shall be imposed upon my VIHVGDUOII except such as are indicated inthe appended claims.

ll claim as my invention:

1. An electrolytic cell comprising aplu:

rality of plates of film-forming metal and means, having exposed surfaces offilinforming metal, for maintaining the said plates in spaced relation;

2. An electrolytic'cell comprising a plurality of plates offilm-forming metal and means, composed wholly of film-forming metal, for maintaining the said plates in spaced relation.

83 An electrolytic cell comprising a plurality of plates of film-forming metal and supporting and spacing means for the said plates composed wholly of film-forming metal. 1,

4. An electrolytic cell comprising a plurrality. of sets of alternated plates of filmforming metal and supporting and spacing means adapted for immersion in an electrolyte, the exposed surfaces of said supporting and spacing means being composed exclu'sively of film-forming'metal.

5. An electrolytic cell comprising a plurality of sets of immersed alternated plates of film-forming metal, the plates composing the respective sets being fastened together by mechanically independent spacing and V supporting structures.

6 An electrolytic cell comprisinga plu rallty of plates adapted for immersion in an electrolyte and immersed means for main:

taining the said plates in alternately.con-- nected and spaced relation, allot the immersed surfaces of the said plates and spac-= ing means being composed of film-forming metal. a

i 7. An electrolytic cell comprising two sets of plates of film-forming metal maintained,

eaoaai in alternately connected and spaced relation,

and spacing memhers'for rigidly clamping l the plates composing each'set of alternate plates, the said spacing members extending through openings in the plates composing the other set.

8. An electrolytic cell comprising two -sets of plates of film-forming metal maintained in alternately connected and spaced relation,

and spacing members," having exposed surfaces of film-forming metal, for rigidly clamping the plates composing each set of alternateplates, the said spacing members extending through openings in the plates composing the other set.

9. An electrolytic cell comprising two sets of plates of film-forming metal maintained in alternately connected and spaced relation,

film-forming metal, for rigidly clamping the plates composing each set ofalternate plates, the said spacing members extending through openings in the set. 10. An electrolytic, cell, comprising a plurality of horizontal plates of filmforming metal and means having exposed surfaces of plates composing the other film-forming metal for maintaining the said.

plates in spaced relation;

11. An electrolytic cell comprising a plurality of horizontalplates of film-forming metal provided withsets of registering openings, the registering openings in adjacent plates being alternately large and small, rods extending through the said sets of regis tering openings, and spacing members of smaller diameter than the said larger openmgs and surrounding the said rods.

and spacing members, composed whollyof 12. An electrolytic cell comprising two sets of plates of film-forming metal main-' tained in alternately connected and spaced yided with a plurality of openings of two difierent sizes, the larger openings in each plate'being so disposed as to register with the smaller openings in the adjacent plates,

rods extending through the registering open- ;ingsin the saidplates and spacing members of film-forming material surrounding the said rods between the said plates, said spacing membersbeingof less diameter than the said larger openings in the plates.

In testimony whereof, I have hereunto newts w; clause, "i

relation, the said. plates being severally prosubscribed, my name this 27th day of Dee," 

